The preparation is called Biofil Soy and is a suspension. The composition contains Bradyrhizobium japonicum BJ4 with a viable cell titre of 3x108 CFU/ml. This is a biological preparation intended for use in the agricultural sector. The manufacturer of the preparation is LLC "TD "Agrild" from the country Ukraine. The field of application of the preparation includes soybean crops. The preparation can be used to improve the growth and development of soybean crops through the action of the bacterium Bradyrhizobium japonicum BJ4, which contributes to the fixation of nitrogen from the air. This approach helps to increase soil fertility and reduce the need for chemical fertilizers.